http://archive.federaltimes.com/VideoNetwork/2900888240001/US-VP-Biden-Issues-Warning-to-N-Korea-on-Visit-to-Southhttp://archive.federaltimes.com/VideoNetwork/2900888240001/US-VP-Biden-Issues-Warning-to-N-Korea-on-Visit-to-Southhttp://cdn.newslook.com/3d/3d2e059536900fbe0dad6adaebfbc929/images/frame_0028.jpgUS VP Biden Issues Warning to N. Korea on Visit to SouthUS Vice President Joe Biden says there should be no doubt about US commitment to its strategic shift to Asia as he wound up a regional tour dominated by security concerns.10WashingtonJoe Bidennorth koreaBarack ObamaTokyoSung Kimuskim jong-unPark Geun-hyepyongyangShinzo AbeasianewslookseoulUnited States of AmericaBeijingWorldChinaJapanSouth Korea00:39